Server-Side Request Forgery in GeoServer by OSGeo
CVE-2021-40822

7.5HIGH

Key Information:

Vendor

Osgeo

Status
Geoserver
Vendor
CVE Published:
2 May 2022

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 93%

What is CVE-2021-40822?

GeoServer, an open-source server for sharing geospatial data, is affected by a Server-Side Request Forgery (SSRF) vulnerability. This flaw allows attackers to leverage the proxy host feature to make unauthorized requests to internal systems, potentially leading to information disclosure. Users running versions up to 2.19.2 are strongly advised to upgrade to the latest release that addresses this vulnerability to ensure their systems remain secure.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-40822
Created by phor3nsic

References

https://github.com/geoserver/geoserver/releases
x_refsource_MISC
https://osgeo-org.atlassian.net/browse/GEOS-10229
x_refsource_MISC
https://github.com/geoserver/geoserver/compare/2.19.2...2...
x_refsource_CONFIRM

EPSS Score

93% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.